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...	...	@@ -12,8 +12,10 @@
12	12	)))
13	13
14	14
15		-= 2. Add GPS support on LG308N =
	15	+= 2. Use Cellular Module GPS feature for LoRaWAN Timing. =
16	16
	17	+== 2.1 Configure on LG308N / LPS8N ==
	18	+
17	17	(((
18	18	(% style="color:blue" %)**Below are the steps:**
19	19	)))
...	...	@@ -108,7 +108,7 @@
108	108	)))
109	109
110	110
111		-= 3. Add GPS support on LPS8v2 =
	113	+== 2.2. Configure on LPS8v2 ==
112	112
113	113	(((
114	114	(% style="color:blue" %)**Below are the steps:**
...	...	@@ -177,7 +177,7 @@
177	177	json_add_boolean "mac2file" 0
178	178	json_add_boolean "mac2db" 0
179	179	json_add_string "log_mask" "1111"
180		- (% style="color:red" %)**json_add_string "gps_tty_path" "/dev/ttyUSB1"   ~-~-~-~--> Add this line so lora program knows to get the gps info from EC25**(%%)
	182	+ (% style="color:red" %)**json_add_string "gps_tty_path" "/dev/ttyUSB1"   ~-~-~-~--> Add this line so lora program knows to get the gps info from EC25**(%%)
181	181	json_add_double "ref_latitude" "$latitude"
182	182	json_add_double "ref_longitude" "$longitude"
183	183	json_add_double "ref_altitude" "$altitude"
...	...	@@ -193,4 +193,64 @@
193	193	[[image:image-20231208161058-5.png||height="548" width="965"]]
194	194
195	195
196		-
	198	+
	199	+= 3. Use Cellular Module GPS feature for System Timing. =
	200	+
	201	+== 3.1 Configure on LPS8v2 ==
	202	+
	203	+This introduction shows how to use the Cellular Module GPS feature for System Timing.
	204	+
	205	+
	206	+1. Download script from dragino site and move it to properly directory
	207	+
	208	+(% class="box" %)
	209	+(((
	210	+root@dragino-e4e891:# wget http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
	211	+2023-12-21 07:25:25 http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
	212	+Resolving repo.dragino.com (repo.dragino.com)... 47.89.8.92
	213	+Connecting to repo.dragino.com (repo.dragino.com)|47.89.8.92|:80... connected.
	214	+HTTP request sent, awaiting response... 200 OK
	215	+Length: 1114 (1.1K) [application/octet-stream]
	216	+Saving to: ‘gpstodate.sh’
	217	+
	218	+gpstodate.sh 100%[===========================================================================================================>] 1.09K .-KB/s in 0s
	219	+
	220	+2023-12-21 07:25:25 (16.5 MB/s) - ‘gpstodate.sh’ saved [1114/1114]
	221	+
	222	+root@dragino-e4e891:# chmod +x gpstodate.sh;mv gpstodate.sh /usr/bin/
	223	+root@dragino-e4e891:#
	224	+)))
	225	+
	226	+2. Run **cat /dev/ttyUSB1** to check if the GPS location is successful.
	227	+
	228	+[[image:image-20231221153129-1.png||height="440" width="632"]]
	229	+
	230	+
	231	+3. Run the **date** and  **/usr/bin/gpstodate.sh** **&** to check if the system time is correct
	232	+
	233	+
	234	+4. Add **gpstodate.sh** to cron work **/etc/rc.local** , LPS8v2 will Use Cellular Module GPS feature for System Timing automatically on boot
	235	+
	236	+(% class="box" %)
	237	+(((
	238	+#!/bin/sh -e
	239	+#
	240	+# rc.local
	241	+#
	242	+# This script is executed at the end of each multiuser runlevel.
	243	+# Make sure that the script will "exit 0" on success or any other
	244	+# value on error.
	245	+#
	246	+# In order to enable or disable this script just change the execution
	247	+# bits.
	248	+#
	249	+# By default this script does nothing.
	250	+
	251	+echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
	252	+echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
	253	+echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
	254	+(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**
	255	+(% style="color:red" %)**/usr/bin/gpstodate.sh**
	256	+
	257	+exit 0
	258	+)))

image-20231221153129-1.png

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